Sapphires and rubies in the sky
Researchers have discovered a new, exotic class of planets outside our solar system. These so-called super-Earths were formed at high temperatures close to their host star and contain high quantities of calcium, aluminium and their oxides -- including sapphire and ruby.
from Latest Science News -- ScienceDaily https://ift.tt/2CmpguO
from Latest Science News -- ScienceDaily https://ift.tt/2CmpguO
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